Home / 409,304-838,892

Finding the Third Proportional to 409,304 and 838,892

Calculator

Solution

The third proportional to 409,304 and 838,892 is: 1,719,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,304 : 838,892 = 838,892 : x
  2. Step 2: Convert to fraction form
    409,304/838,892 = 838,892/x
  3. Step 3: Cross multiply
    409,304x = 838,892 × 838,892
  4. Step 4: Simplify right side
    409,304x = 703,739,787,664
  5. Step 5: Solve for x
    x = 703,739,787,664/409,304
  6. Step 6: Final answer
    x = 1,719,357.22

Related Problems

Find third proportional to 204,652 and 419,446
Half scale
Find third proportional to 818,608 and 1,677,784
Double scale
Find third proportional to 409,306 and 838,896
Similar ratio
Find third proportional to 613,956 and 1,258,338
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.